👉 The slang term you're referring to is "isdn7," which stands for "internet service number seven." Imagine it's like saying "I'm the one with the seventh-grade internet," but that's not real; it's just a play on words.
Now, let's use this profane word in an edgy and unsettling example sentence: "Every time I need to order pizza online, I always resort to my beloved 'isdn7' account. It's like being stuck on the 7th floor of your high school cafeteria!"